/*
 * KururuLABO from iMaple
 */
package iMaple;

/**
 *
 * @author KururuLABO
 */
public class Tool {
    
      private static final int sizeOfIntInHalfBytes = 8;
      private static final int numberOfBitsInAHalfByte = 4;
      private static final int halfByte = 0x0F;
      private static final char[] hexDigits = { 
        '0', '1', '2', '3', '4', '5', '6', '7', 
        '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
      };
      public static String decToHex(int dec) {
      StringBuilder hexBuilder = new StringBuilder(sizeOfIntInHalfBytes);
      hexBuilder.setLength(sizeOfIntInHalfBytes);
      for (int i = sizeOfIntInHalfBytes - 1; i >= 0; --i)
      {
        int j = dec & halfByte;
        hexBuilder.setCharAt(i, hexDigits[j]);
        dec >>= numberOfBitsInAHalfByte;
      }
    return hexBuilder.toString(); 
  }
}
